Case study:Greenwich Peninsula

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Location: 51° 30' 11.64" N, 0° 0' 10.92" E

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Project overview

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Status	In progress
Project web site
Themes	Habitat and biodiversity, Spatial planning
Country	England
Main contact forename	Toni
Main contact surname	Scarr
Main contact user ID
Contact organisation	Environment Agency
Contact organisation web site	http://www.environment-agency.gov.uk
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

Tidal terraces

Project summary

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prior to 2000 1.7km of flood defences were replaced and refurbished on the eastern side of the peninsula

A further 700m proposed on the western frontage.

• The intertidal terraces provide valuable habitat for fish and other animals and birds, as well as creating a new landscape feature for people to enjoy. • Flood defences designed to protect from tidal flooding with an allowance made for the future effects of climate change. • Surface water flood risk reduction on each plot will be provided in line with the London Plan policies.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Site

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Name	Greenwich Penisula
WFD water body codes
WFD (national) typology
WFD water body name	THAMES MIDDLE
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body	Yes
National/international site designation
Local/regional site designations
Protected species present	No
Invasive species present	Yes
Species of interest
Dominant hydrology	Estuary
Dominant substrate	Estuarine mud
River corridor land use	Urban
Average bankfull channel width category
Average bankfull channel width (m)
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Average bankfull channel depth (m)
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Mean annual discharge (m³/s)
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Average channel gradient
Average unit stream power (W/m²)

Project background

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Reach length directly affected (m)	24002,400 m <br />2.4 km <br />240,000 cm <br />
Project started	1998/01/01
Works started	1999/01/01
Works completed
Project completed
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Reasons for river restoration

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Mitigation of a pressure	Flood risk management, Navigation
Hydromorphology	Structure & condition of intertidal zone
Biology	Fish, Macrophytes
Physico-chemical
Other reasons for the project	millenium project; housing development

Measures

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Structural measures
Bank/bed modifications	Bank improvement, creation of intertidal terraces
Floodplain / River corridor
Planform / Channel pattern
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Non-structural measures
Management interventions
Social measures (incl. engagement)
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